Bowers & Wilkins 802 D4 Signature（バウアーズアンドウィルキンス802 D4 シグネチャー）
2023年B&W公開802 D4 Signature Premium Floorstanding Speaker。Continuum Cone+Diamond Dome Tweeter+Reverse Wrap Cabinet+Turbine Head+Aerofoil Cone+UK Worthing Manufacturing+Reference Premium搭載。
概要
Bowers & Wilkins 802 D4 Signatureは2023年B&W公開の802 D4 Signature Premium Floorstanding Speakerで、B&W は1966年UK Worthing創業のAudiophile Speaker Reference Brand。B&W は1966年〜58年UK Audiophile Speaker Industry Heritage + Abbey Road Studios Recording Studio Reference Speaker Default + Audiophile界隈Premium Reference認知度絶対 + 800 Series Diamond Reference Lineup(800 D4 / 802 D4 / 803 D4 / 804 D4 / 805 D4)+ Signature Variants(Annual Limited)。802 D4 SignatureはB&W 802 D4(2021年)Signature Limited Variant、 「Continuum Cone + Diamond Dome Tweeter + Reverse Wrap Cabinet + Turbine Head + Aerofoil Cone + UK Worthing Manufacturing + Reference Premium」 のB&W独自Engineering Maximization、 KEF Reference 5 Meta(¥1.5M Pair)・Sonus Faber Amati G5(¥4M Pair)・Magico A5(¥2.5M Pair)・Focal Sopra No.2(¥2.5M Pair)対抗のB&W UK Reference Heritage Strategy。「Continuum Cone」 はB&W独自Mid Driver Material、 旧Kevlar Yellow Cone後継 + Audiophile Mid Driver Engineering + Distortion低 + Audiophile Detail Sound + B&W独自Cone Material Heritage。「Diamond Dome Tweeter」 はB&W 800 Series Reference Tweeter、 Pure Diamond Dome Material(Diamond Speed of Sound 18,000m/s・Aluminum 5,100m/s対比 約3.5倍)+ Wide Frequency Response Up to 80kHz + Audiophile Maximum Detail Sound + B&W独自Diamond Tweeter Engineering Pioneer。「Reverse Wrap Cabinet」 はB&W独自Cabinet Engineering、 Cabinet Wood Wrap Reverse Direction + Acoustic Resonance最適化 + Audiophile Premium Cabinet Engineering。「Turbine Head」 はB&W独自Mid Driver Housing、 Aluminum Solid Block Mid Driver Housing + Mid Driver Cabinet Resonance排除 + Pure Mid Driver Sound、 Audiophile界隈B&W 800 Series Iconic Engineering。価格 ¥3,500,000-¥4,000,000(Pair) はAudiophile Reference Floorstanding Premium Position。
主な特徴・仕組み
- Continuum Cone: B&W独自Mid Driver Material、 旧Kevlar Yellow Cone後継
- Diamond Dome Tweeter: Pure Diamond Dome + Wide Frequency Up to 80kHz
- Reverse Wrap Cabinet: B&W独自Cabinet Wood Wrap + Resonance最適化
- Turbine Head Aluminum: Solid Aluminum Mid Driver Housing
- Aerofoil Cone Bass Driver: B&W独自Bass Driver Engineering
- 3-way Floorstanding: Bass + Mid + Diamond Tweeter Active Architecture
- Bi-wireable Crossover: Audiophile Bi-amp/Bi-wire対応
- UK Worthing Hand-built: B&W 58年Heritage Manufacturing
- Signature Variants: Annual Limited Edition Premium Aesthetic
- Tuned Mass Damper: Cabinet Vibration Isolation Engineering
- Multi-layered Cabinet: Premium Wood Layered Engineering
- 5年保証: B&W Premium Speaker Long Term保証
スペック比較表
| 項目 | B&W 802 D4 Signature | KEF Reference 5 Meta | Sonus Faber Amati G5 | Magico A5 |
|---|---|---|---|---|
| Brand Heritage | B&W UK 58年 Reference | KEF UK 64年 | Sonus Faber Italy 41年 | Magico US 21年 |
| Tweeter | Diamond Dome | Uni-Q 12th + MAT | DAD Driver | Beryllium Dome |
| Cone Material | Continuum + Aerofoil | Aluminum Magnesium | Hand-finished Wood | Graphene Coated |
| Cabinet | Reverse Wrap + Turbine | MAT Internal | Lyre Shape Hand-built | Aluminum Sealed |
| 価格(Pair) | ¥3.5M-¥4M | ¥1.5M | ¥4M | ¥2.5M |
| 主用途 | UK Reference Diamond | UK Coincident MAT | Italian Hand-built | US Aluminum Sealed |
具体例・対応製品
- B&W 802 D4 Signature (2023年): 800 Series Mid-flagship Limited Signature
- B&W 800 D4: Flagship Reference、 同800 Series
- B&W 803/804/805 D4: Mid-range/Compact、 同800 Series
- B&W 705 Signature: Bookshelf Signature、 同Brand Family
- Abbey Road Studios採用: Recording Studio Reference Speaker Default
- 競合機種: KEF Reference 5 Meta、Sonus Faber Amati G5、Magico A5、Focal Sopra No.2、Wilson Audio Sasha V
自作PCでの選び方・注意点
B&W 802 D4 SignatureはAudiophile Reference Floorstanding + B&W UK Heritage愛好 + Diamond Tweeter + Continuum Cone重視User向けPremium Floorstanding選択肢、 KEF UK Coincident → Reference 5 Meta推奨、 Italian Hand-built → Sonus Faber Amati G5推奨、 US Aluminum Sealed → Magico A5推奨、 French Beryllium → Focal Sopra No.2推奨、 B&W UK Reference + Diamond + Continuum + 58年Heritage → 802 D4 Signature Niche Premium選択肢。jisaku.com の自作PC User層では Music Listening + Premium Audio Stack + 大邸宅Listening Room + Stereo Pair重視User基盤Specific選択肢、 「B&W Reference + Abbey Road Heritage」 のCost-effective Premium Stack。「Diamond Dome Tweeter」 はB&W 800 Series Reference Tweeter、 Pure Diamond Dome Material(Diamond Speed of Sound 18,000m/s)+ Wide Frequency Response Up to 80kHz + Audiophile Maximum Detail Sound + B&W独自Diamond Tweeter Engineering Pioneer、 Mass Market Tweeter対比 Diamond Material Differentiation + Audiophile Critical Listening条件 Specific価値Proposition。「Continuum Cone Mid Driver」 はB&W独自Material、 旧Kevlar Yellow Cone(B&W Iconic 1976年〜)後継 + Audiophile Mid Driver Engineering + Distortion低 + Audiophile Detail Sound、 Audiophile Mid Frequency Critical Listening + B&W独自Cone Material Heritage愛好User向け価値Proposition。「Turbine Head + Reverse Wrap Cabinet」 はB&W 800 Series Iconic Engineering、 Solid Aluminum Mid Driver Housing(Mid Driver Cabinet Resonance排除 + Pure Mid Driver Sound)+ Reverse Wrap Cabinet(Cabinet Wood Wrap Reverse Direction + Acoustic Resonance最適化)、 Mass Market Cabinet対比 Premium Cabinet Engineering Differentiation。「UK Worthing Hand-built + Abbey Road Heritage」 はB&W Brand特化価値Proposition、 1966年〜58年UK Audiophile Speaker Industry Heritage + Abbey Road Studios Recording Studio Reference Speaker Default + Audiophile界隈Premium Reference認知度絶対、 Mass Market認知度Sony / KEF対比 B&W Audiophile Reference Industry Default Choice + Recording Studio Industry Standard。価格 ¥3.5M-$4M(Pair) はKEF Reference 5 Meta($1.5M Pair)対比 約2.5倍 Premium、 Audiophile Reference Floorstanding Premium Position。注意点はListening Room大型(Floorstanding Speaker前提)+ Audio Stack(Pre-amp + Power Amplifier + Source)前提Investment、 Mass Market Audiophile → KEF Reference 5 Meta推奨、 B&W UK Reference + Diamond + 58年Heritage重視User限定Niche Premium。
関連用語との違い
B&W 800 D4との違い: 800 D4(B&W 800 Series Flagship + ¥6M+ Pair)はFlagship Reference、 802 D4 Signature(802 D4 Signature Limited + ¥3.5M-$4M)はMid-flagship Limited Signature。Flagship → 800 D4、 Mid-flagship Signature → 802 D4 Signature。 KEF Reference 5 Metaとの違い: Reference 5 Meta(KEF UK 64年 + Uni-Q + MAT + Coincident Driver + ¥1.5M)はKEF UK Coincident MAT Premium、 802 D4 Signature(B&W UK 58年 + Diamond + Continuum + Reference + ¥3.5M-$4M)はB&W UK Reference Premium。KEF UK + Coincident MAT → Reference 5 Meta、 B&W UK + Diamond + Reference → 802 D4 Signature。
よくある質問（FAQ）
Q1: 802 D4 Signature vs 800 D4 どちらを選ぶ？ A: B&W 800 Series Flagship Reference + Cost度外視 → 800 D4($6M+ Pair)、 Mid-flagship Limited Signature + Cost-effective Premium → 802 D4 Signature($3.5M-$4M)。Flagship Maximum Quality → 800 D4、 Mid-flagship Limited + Cost優位 → 802 D4 Signature。
Q2: Diamond Dome Tweeter は本当に効果ある？ A: Pure Diamond Material + Wide Frequency Up to 80kHz + Audiophile Maximum Detail Sound + B&W独自Diamond Tweeter Engineering Pioneer、 Mass Market Tweeter対比 Diamond Material Differentiation体感可能、 Audiophile Critical Listening条件 + High-resolution Audio Source重視User向け Specific価値Proposition。
Q3: Abbey Road Studios B&W採用 の価値は？ A: Recording Studio Industry Reference Speaker Default認知度 + Music Industry Iconic Heritage + B&W UK 58年 Audiophile Reference Trust、 Hit Records Recording / Mastering / Mixing Industry Default Choice + Audiophile界隈絶対Brand認知度。
まとめ
- B&W 802 D4 Signature = 2023年B&W Premium Floorstanding Mid-flagship Signature
- Continuum Cone + Diamond Dome + Reverse Wrap + Turbine Head + Aerofoil
- 3-way + Bi-wireable + Tuned Mass Damper + Multi-layered Cabinet
- UK Worthing Hand-built + 58年Heritage + Abbey Road Reference
- Audiophile Reference + B&W UK + Diamond Tweeter重視User向けNiche Premium